SMC Networks SMC TigerStack 1000 SMC8748M - Manual (Page 410)

C
OMMAND
L
INE
I
NTERFACE
4-138
Command Usage
• You must configure a mask for an ACL rule before you can bind it to
a port or set the queue or frame priorities associated with the rule.
• A mask can only be used by all ingress ACLs or all egress ACLs.
• The precedence of the ACL rules applied to a packet is not determined
by order of the rules, but instead by the order of the masks; i.e., the
first mask that matches a rule will determine the rule that is applied to
a packet.
Example
Related Commands
mask (MAC ACL) (4-138)
mac access-group (4-141)
mask (MAC ACL)
This command defines a mask for MAC ACLs. This mask defines the
fields to check in the packet header. Use the no form to remove a mask.
Syntax
[no] mask [pktformat] {any | host | source-bitmask}
{any | host | destination-bitmask}[vid [vid-bitmask]]
[ethertype [ethertype-bitmask]]
• pktformat – Check the packet format field. (If this keyword must
be used in the mask, the packet format must be specified in ACL
rule to match.)
• any – Any address will be matched.
• host – The address must be for a single node.
• source-bitmask – The source address of the rule must match this
bitmask.
• destination-bitmask – The destination address of the rule must match
this bitmask.
• vid – Check the VLAN ID field.
• vid-bitmask – VLAN ID of rule must match this bitmask.
Console(config)#access-list mac mask-precedence in
Console(config-mac-mask-acl)#